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Formerly the Highways Agency (1994-2015) and Highways England (2015-2021).

A3 Burpham Interchange

Route

A3 and A3(M)

Name

Burpham Interchange

Highway Authority

National Highways

Location type

Sliproad

A3 Ripley Interchange

Route

A3 and A3(M)

Name

Ripley Interchange

Highway Authority

National Highways

Location type

Non-standard interchange

A3 Ockham Park Interchange

Route

A3 and A3(M)

Name

Ockham Park Interchange

Highway Authority

National Highways

Location type

Roundabout Interchange

A3 Wisley Interchange

Route

A3 and A3(M)

Name

Wisley Interchange

Highway Authority

National Highways

Location type

Three Level Stacked Roundabout

A3 Painshill Interchange

Route

A3 and A3(M)

Name

Painshill Interchange

Highway Authority

National Highways

Location type

Roundabout Interchange

A3 Esher Common Interchange

Route

A3 and A3(M)

Name

Esher Common Interchange

Highway Authority

National Highways

Location type

Roundabout Interchange

A3 Hook Lane Configuration Change

Route

A3 and A3(M)

Name

Hook Lane Configuration Change

Highway Authority

National Highways

Location type

Lane configuration change

A1(M) J1 South Mimms Interchange

Route

A1 and A1(M)

Name

South Mimms Interchange

Highway Authority

National Highways

Location type

Three Level Stacked Roundabout

A1(M) J2 Roestock Interchange

Route

A1 and A1(M)

Name

Roestock Interchange

Highway Authority

National Highways

Location type

Fork

A1(M) J3 Roehyde Interchange

Route

A1 and A1(M)

Name

Roehyde Interchange

Highway Authority

National Highways

Location type

Roundabout Interchange

A1(M) Hatfield Tunnel

Route

A1 and A1(M)

Name

Hatfield Tunnel

Highway Authority

National Highways

Location type

Tunnel

A1(M) J4 Stanborough Interchange

Route

A1 and A1(M)

Name

Stanborough Interchange

Highway Authority

National Highways

Location type

Dumbbell

A1(M) J5 Lemsford Interchange

Route

A1 and A1(M)

Name

Lemsford Interchange

Highway Authority

National Highways

Location type

Dumbbell

A1(M) J6 The Clock Interchange

Route

A1 and A1(M)

Name

The Clock Interchange

Highway Authority

National Highways

Location type

Non-standard interchange

A1(M) J7 Langley Sidings Interchange

Route

A1 and A1(M)

Name

Langley Sidings Interchange

Highway Authority

National Highways

Location type

Roundabout Interchange

A1(M) J8 Corey's Mill Interchange

Route

A1 and A1(M)

Name

Corey's Mill Interchange

Highway Authority

National Highways

Location type

Roundabout Interchange

A1(M) J9 Letchworth Gate Interchange

Route

A1 and A1(M)

Name

Letchworth Gate Interchange

Highway Authority

National Highways

Location type

Roundabout Interchange

A1(M) J10 Stotfold Interchange

Route

A1 and A1(M)

Name

Stotfold Interchange

Highway Authority

National Highways

Location type

Roundabout Interchange

A1 Edworth Turn & Langford Turn

Route

A1 and A1(M)

Name

Edworth Turn and Langford Turn

Highway Authority

National Highways

Location type

Non-standard interchange

A1 Biggleswade South Roundabout

Route

A1 and A1(M)

Name

Biggleswade South Roundabout

Highway Authority

National Highways

Location type

Roundabout

What's new

The sunlit uplands

On Saturday 31 May something historic happened. The Heads of the Valleys Road was finally complete.

Grand openings

Our much-loved Opening Booklets section has two new publications for you to explore, and we’re making some overdue changes to make them easier to find and easier to read.

Silver bullet

The Silvertown Tunnel is finally open for business. One question remains: what’s it for?

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Have you seen...

M6 Hanchurch-Lymm

One of the longest lengths of motorway to open in one go, this book celebrates the opening of the M6 from the Potteries to the North West.

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